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I created a Dive Computer Simulator, and It’s Free to Use

I created a Dive Computer Simulator, and It’s Free to Use

by Marcel Jansen | Aug 21, 2026 | Dive instructor theory, PADI Divemaster course, PADI IDC - instructor course

All entry-level dive students should learn how to plan a dive during their open water course. We used to sit down and explain the RDP tables, which many students found very abstract and difficult to understand. Nowadays most instructors give their students a dive...
Most Comfortable Dive Masks at Different Budgets Compared

Most Comfortable Dive Masks at Different Budgets Compared

by Marcel Jansen | Jun 14, 2026 | Blog

Finding a comfortable dive mask can make the difference between enjoying your time underwater and counting the minutes until you surface. I’ve seen countless students and customers struggle with masks that leak, fog, or leave painful red marks after just one...
The Best Fins for Divemasters and Instructors

The Best Fins for Divemasters and Instructors

by Marcel Jansen | Jan 22, 2026 | PADI IDC - instructor course

Every time I start a PADI IDC course, it’s a surprise to see what equipment candidates show up with. Some arrive with gear perfectly suited for professional diving. Others struggle through the first pool sessions with equipment that is completely unsuitable for...
Best waterproof compact cameras for scuba diving (updated 2025)

Best waterproof compact cameras for scuba diving (updated 2025)

by Marcel Jansen | Jul 3, 2025 | Blog

OK, I’m not a techie and I’m not a professional photographer. Sometimes I like taking a few pictures on my dives but I don’t want to carry a bulky camera with underwater housing with me all the time. I see more and more divers using these compact cameras without...
What’s up with the full face snorkeling masks?

What’s up with the full face snorkeling masks?

by Marcel Jansen | Feb 11, 2018 | Risk Management

Recently there has been a lot of discussion about the safety of full face snorkeling masks. Following a series of tragically fatal accidents in Maui many stories of ‘unsafe equipment’ came about. What is really the issue here?   A new trend About three years ago...
Asia Scuba Instructors Blog is written by Course Director Marcel Jansen. Asia Scuba Instructors runs PADI Instructor Courses in multiple locations around Asia.

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Recent Posts

  • I created a Dive Computer Simulator, and It’s Free to Use
  • Special Instructor Development Promotion
  • What Most PADI IDCs Don’t Teach – self-assessment and the Dunning Kruger effect
  • Professional Liability Insurance for Scuba Instructors in Southeast Asia
  • What Most PADI IDCs Don’t Teach – How do your students really feel?

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